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tensor.news grades benchmarks and tags model claims by evidence status. Every fact carries a source record and provenance. Scores are framed as task performance under a disclosed harness, never as deployed capability.

← Integrity Index

WeirdML

WeirdML

Rank #22 of 51 · 93 models scored · top score 87.85

AINTEGRITY 88 / 100

unknown

Strongest on discrimination, weakest on contamination resistance. Caveat: the public test set leaves contamination on the table.

consistent harnesspublic test set

Headroom to ceiling

12.2 headroomtop 87.8ceiling 100

Score distribution

median 42.8Claude Fable 5 87.804692

State of the art over time

0469287.820232026

Integrity breakdown

Weighted composite. Each signal is computed from the source-backed leaderboard below.

Discrimination30%100

Does it still separate models?

Saturation headroom30%99

How far from ceiling / clustered at the top?

Contamination resistance15%29

Public vs held-out; training-leak risk.

Harness comparability15%100

Apples-to-apples, or mixed / vendor-optimized?

Freshness10%91

How old is the benchmark?

Leaderboard

#ModelScoreEvidenceMeasured
1Claude Fable 587.85unverified2026-06-09
2GPT-5.584.91unverified2026-04-23
3Claude Opus 4.882.89unverified2026-05-28
4GPT-5.3 Codex79.3unverified2026-02-05
5Claude Opus 4.677.95unverified2026-02-05
6GPT-5.477.7unverified2026-03-05
7Claude Opus 4.776.4unverified2026-04-16
8GPT-5.272.2unverified2025-12-11
9Gemini 3.1 Pro72.1unverified2026-02-19
10GLM-5.270.12unverified2026-06-16
11Gemini 3 Pro69.93unverified2025-11-18
12Claude Sonnet 4.666.07unverified2026-02-17
13Claude Opus 4.563.7unverified2025-11-24
14Gemini 3.5 Flash62.64unverified2026-05-19
15Gemini 3 Flash61.6unverified2025-12-17
16GPT-5.160.77unverified2025-11-13
17GPT-560.7unverified2025-08-07
18GPT-5 Pro60.39unverified2025-10-07
19GPT-5.4 Mini60.3unverified2026-03-17
20o3-pro58.21unverified2025-06-10
21GPT-5.4 Pro57.44unverified2026-03-05
22GLM-5.157.1unverified2026-04-07
23Kimi K2.655.86unverified2026-04-20
24Kimi K2.7 Code54.12unverified2026-06-12
25Gemini 2.5 Pro (Jun 2025)54.03unverified2025-06-05
26GPT-5 mini52.67unverified2025-08-07
27o4-mini52.56unverified2025-04-16
28o352.42unverified2024-12-20
29Grok 4.2052.26unverified2026-02-17
30Gemini 3.1 Flash-Lite52.19unverified2026-03-03
31Grok 4.3 Beta49.89unverified2026-04-17
32GPT-5.4 Nano49.23unverified2026-03-17
33DeepSeek-V4-Pro48.9unverified2026-04-24
34gpt-oss-120b48.17unverified2025-08-05
35GLM-548.17unverified2026-02-11
36Claude Sonnet 4.547.71unverified2025-09-29
37o1-preview47.56unverified2024-09-12
38Claude Sonnet 446.11unverified2025-05-22
39Grok 445.73unverified2025-07-09
40Kimi K2.545.6unverified2026-02-02
41Claude Haiku 4.545.4unverified2025-10-15
42o143.82unverified2024-12-05
43o3-mini43.7unverified2025-01-31
44Claude Opus 443.4unverified2025-05-22
45Grok 4 Fast42.86unverified2025-09-19
46Kimi K2 Thinking42.79unverified2025-11-06
47Claude Opus 4.142.76unverified2025-08-05
48Grok-3 mini42.58unverified2025-02-19
49Gemini 2.5 Flash (Sep 2025)41.91unverified2025-09-25
50DeepSeek-R1 (May 2025)41.63unverified2025-05-28
51Qwen3-235B-A22B-Thinking (Jul 2025)41.04unverified2025-07-25
52Gemini 2.5 Flash (Apr 2025)40.95unverified2025-04-17
53Gemini 2.5 Flash (May 2025)40.95unverified2025-05-20
54Claude 3.5 Sonnet (October 2024)39.97unverified2024-10-22
55DeepSeek-V3.2-Exp39.48unverified2025-09-29
56GPT-4.539.37unverified2025-02-27
57Kimi K2 (Jul 2025)39.36unverified2025-07-11
58GPT-4.139.04unverified2025-04-14
59Qwen3-235B-A22B-Instruct (Jul 2025)38.7unverified2025-07-25
60DeepSeek-V3.138.36unverified2025-08-21
61GPT-5 nano38.06unverified2025-08-07
62GPT-4.1 mini37.61unverified2025-04-14
63Qwen3-235B-A22B37.28unverified2025-04-28
64Grok 337.24unverified2025-02-17
65MiniMax-M2.736.95unverified2026-03-18
66Kimi K2 (Sep 2025)36.68unverified2025-07-11
67DeepSeek-R136.49unverified2025-01-20
68o1-mini36.32unverified2024-09-12
69DeepSeek-V3 (Mar 2025)36.08unverified2025-03-24
70Claude 3.5 Sonnet30.97unverified2024-06-20
71Claude 3.5 Haiku30.73unverified2024-10-22
72Gemini 2.0 Flash (Feb 2025)25.77unverified2024-12-11
73GPT-4o (Nov 2024)25.12unverified2024-05-13
74Gemini 1.5 Flash (Sep 2024)24.87unverified2024-05-10
75Llama 4 Maverick24.47unverified2025-04-05
76Claude 3 Opus23.18unverified2024-03-04
77Grok-2 (Dec 2024)22.24unverified2024-08-13
78Gemini 1.5 Pro (Sept 2024)22.2unverified2024-09-24
79Llama 3.1-405B21.38unverified2024-07-23
80GPT-4.1 nano18.98unverified2025-04-14
81GPT-4 Turbo (Apr 2024)18.01unverified2024-04-09
82Qwen2.5-72B15.97unverified2024-09-19
83Llama 3.3 70B14.44unverified2024-12-06
84GPT-4 (Jun 2023)12.44unverified2023-06-13
85GPT-4o mini11.76unverified2024-07-18
86Qwen2-72B11.3unverified2024-06-07
87Claude 3 Sonnet10.16unverified2024-03-04
88Claude 3 Haiku9.84unverified2024-03-04
89Llama 3.1-70B8.97unverified2024-07-23
90Claude 2.17.06unverified2023-11-21
91GPT-3.5 Turbo (Jan 2024)3.48unverified2023-06-13
92Mixtral 8x22B3.17unverified2024-04-17
93Llama 3.1-8B1.73unverified2024-07-23

At a glance

Models scored
93
Top model
Claude Fable 5
Top score
87.85
Score spread
86.12
Headroom
12.15

Benchmark context

Task type
unknown
Metric
normalized performance in Epoch CSV, rendered as accuracy (%)
Score ceiling
100
Human baseline
unknown
Test-set privacy
unknown
Construction
unknown
Key assumptions
unknown
Limitations
unknown
Contamination history
unknown
Harness notes
Epoch CSV reports model, model version, performance, optimized flag, score source, benchmark release date, and model date.
Authors
unknown
Released
2025-01-16
License
CC BY 4.0
Source
epoch.ai/data/eci_benchmarks.csv

Provenance

93 source records · scores from epoch_benchmarks. Every fact on this page is evidence-linked.

Follow the record

Integrity neighbors

  • GeoBenchA · 89
  • PostTrainBenchA · 89
  • OTIS Mock AIME 2024-2025A · 88
  • Aider polyglotA · 87
  • Fiction.LiveBenchA · 87
  • VPCTA · 87

Top models here

  • Claude Fable 587.85
  • GPT-5.584.91
  • Claude Opus 4.882.89
  • GPT-5.3 Codex79.3
  • Claude Opus 4.677.95

Head-to-head

  • Claude Fable 5 vs GPT-5.5
  • Claude Fable 5 vs Claude Opus 4.8
  • GPT-5.5 vs Claude Opus 4.8